CN107786101A - A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit - Google Patents

A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit Download PDF

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Publication number
CN107786101A
CN107786101A CN201711185725.2A CN201711185725A CN107786101A CN 107786101 A CN107786101 A CN 107786101A CN 201711185725 A CN201711185725 A CN 201711185725A CN 107786101 A CN107786101 A CN 107786101A
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CN
China
Prior art keywords
rectification module
cooling
blower fan
radiator
cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711185725.2A
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Chinese (zh)
Inventor
许海涛
杨艳秋
薄强
苑莉
高洁
康健
王卫军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aritime Intelligent Control Co Ltd
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Beijing Aritime Intelligent Control Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Beijing Aritime Intelligent Control Co Ltd filed Critical Beijing Aritime Intelligent Control Co Ltd
Priority to CN201711185725.2A priority Critical patent/CN107786101A/en
Publication of CN107786101A publication Critical patent/CN107786101A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components

Abstract

A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit, including cabinet, module support deck, support beam, cooling blower, air intake collecting hood, cover plate, plate washer, wind collecting unit, rectification module, cabinet bottom plate, stretching busbar, IGCT, blower fan travel switch, top board, radiator, lower platen, blower fan bottom plate.It is divided into upper and lower two parts inside cabinet:Bottom is that blower fan cools down air intake region, top is thyristor rectifier module working region.Two cooling blowers are installed in cabinet bottom, and the above is wind collecting unit and rectification module, the baffle plate composition air-out passage below wind collecting unit and rectification module, the heating element in rectification module are cooled down.The rectification module and its ventilation equipment design for nuclear power excitation unit, power density is high, it is compact-sized, output current ability is strong, Duct design and rationally distributed, require that cooling blower wants the using and the reserved, and can meet to change and safeguard that blower fan easily requires well according to nuclear power excitation actual process.

Description

A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit
Technical field
The invention belongs to Semiconductor Converting Technology field, and in particular to a kind of rectification module for nuclear power excitation unit and Its ventilating and cooling equipment.
Background technology
Nuclear power is the important channel for solving China's energy shortage, and the nuclear power generator group of Large Copacity is that the key of nuclear power plant is set Standby, it has the important component that brush excitation system is generating set.Three-phase alternating current is transformed into dc source by rectification module Supply generator Exciting Windings for Transverse Differential Protection, for the excitation unit of gigawatt above unit, to meet that its capacity is big, electric current is big will Ask it is necessary to more rectification modules in parallel, equipment bulky complex, floor space are big, trouble point is more and maintenance is big etc. can be caused Shortcoming, so, for nuclear power excitation unit rectification module and its ventilating and cooling place capacity it is big, contribute big, can effectively overcome Disadvantages mentioned above, improve the stability of excitation unit, safety and reliability.
The content of the invention
It is full it is an object of the invention to provide a kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit Sufficient nuclear power excitation unit is high-power, high current requirement, and power density is high, compact-sized, changes device and plant maintenance is convenient.
The present invention includes cabinet 1, module support deck 2, support beam 3, cooling blower 4, air intake collecting hood 5, cover plate 6, shelves Plate 7, wind collecting unit 8, rectification module 9, cabinet bottom plate 10, stretch out busbar 11, IGCT 12, blower fan travel switch 13, top board 14, Radiator 15, lower platen 16, blower fan bottom plate 17.
It is divided into upper and lower two parts inside cabinet 1:Bottom is that blower fan cools down air intake region, top is thyristor rectifier module Working region.
Bottom blower fan cooling air intake region includes:Two blower fan bottom plates 17, two cooling blowers 4 and its tuyere equipments, wind Jaws equipment includes air intake collecting hood 5 and cover plate 6.
Two blower fan bottom plates 17 are fixed on cabinet 1, and two cooling blowers 4 are separately fixed on blower fan bottom plate 17, each There are an air intake collecting hood 5 and cover plate 6 in the top of cooling blower 4, and the rear of air intake collecting hood 5 is provided with blower fan travel switch 13, When fan operation, cold wind is blasted air intake collecting hood 5, and cover plate 6 is blown afloat, and vertical position is opened to from horizontal position, behind touching Blower fan travel switch, its action is outputed signal to control system, the feedback signal as the fan operation;Two Fans one It is standby with one.
There is one piece of baffle plate 7 between two air intake collecting hoods 5 and rectification module 9, play and form air channel, avoid the work that leaks out With.
Top rectification module working region includes:Wind collecting unit 8, rectification module 9, stretch out busbar 11.
The top of cooling blower 4 is wind collecting unit 8, and it is by the left side, top, hardware that the right links together and Transparent insulation plate composition above, plays collection cooling air, is 9 aeration-cooling effect of rectification module.
Rectification module 9 is located at the back upper place of cooling blower 4, is fixed in left side and right module supporting plate 2, then be fixed on cabinet In the support beam 3 of body 1, rectification module 9 forms three by 14, six IGCTs 12 of top board and its radiator 15, lower platen 16 The pulse wave fully controlled bridge rectifier structure of phase six, rectifier bridge use heap formula press mounting structure, are connected by three complete pressure heaps and outer structural parts It is connected together, each pressure heap is pressed two Thyristors, and each IGCT is crimped and radiated by two radiators, is radiated Device uses sheet copper radiator, the cold wind that wind collecting unit 8 is collected is passed through radiator, takes away IGCT 12 and works caused heat Amount, can ensure that rectification module 9 radiates uniformly.
The rear of rectification module 9 is the stretching busbar 11 of all radiators 15, because radiator 15 crimps IGCT 12, is made The negative electrode and anode that radiator 15 is exactly the element of IGCT 12 are obtained, each pole of radiator 15, which has, stretches out busbar 11, so as to even Busbar is connect, realizes the electrical connection of the pulse wave fully controlled bridge rectification of three-phase six.
Specially:Each radiator of rectification module 9 has stretching busbar, can overlap alternating current bus bar and DC master row structure Into the pulse wave fully controlled bridge rectifier bridge of three-phase six.When one Fans work (another standby), cooling air vertical direction is blasted collection Wind device, the cooling air in wind collecting unit again laterally across the sheet gap of radiator, hot-air be brought to rectification module rear, on Side, discharged by shutter after cabinet top and cabinet, reaching makes IGCT temperature rise is low at work, the purpose of good heat dissipation.
Two cooling blowers are installed in cabinet bottom of the present invention, and the above is wind collecting unit and rectification module, wind collecting unit and rectification mould Baffle plate composition air-out passage below block, is cooled down, cooling air is by two to the heating element in rectification module Blower fan both sides suck wind collecting unit, are blown to by the gap of 12 flaky radiators behind rectification module, take away the heat of radiator Measure and radiating is uniform, play aeration-cooling effect.The rectification module and its ventilation equipment design for nuclear power excitation unit, power Density is high, and compact-sized, output current ability is strong, Duct design and rationally distributed, is required according to nuclear power excitation actual process, cold But blower fan wants the using and the reserved, and can meet to change and safeguard that blower fan easily requires well.
The advantage of the invention is that:
(1) rectification module uses copper radiator technology and IGCT heap formula press mounting structure, forms the pulse wave fully controlled bridge of three-phase six, Compact-sized, power density is high so that rectification module disclosure satisfy that nuclear power excitation unit capacity is big, contributes the characteristics of big, and set It is standby simple, it is easily changed maintenance.
(2) ventilating and cooling equipment uses two Fans, the using and the reserved, and blower fan is changed convenient.Air port cover plate rises and falls by going Cheng Kaiguan is detected, and is monitored the ventilation condition of rectification module, rectification module is stopped after fan trouble.Ventilating duct design is closed Reason, cooling air enters wind collecting unit by blower fan by air port cover plate, then heat is taken away in time by radiator, ensures rectifying block Normal work.Because heat-sinking capability is strong, make module fan-out capability strong.
(3) compact-sized, rationally distributed, ventilating duct is reasonable in design, contributes big, stable equipment operation, and fault rate is low.
Brief description of the drawings
Fig. 1 is a kind of for the rectification module of nuclear power excitation unit and its front view of ventilating and cooling equipment for the present invention;
Fig. 2 is a kind of for the rectification module of nuclear power excitation unit and its rearview of ventilating and cooling equipment for the present invention;
Fig. 3 is a kind of for the rectification module of nuclear power excitation unit and its circuit theory of ventilating and cooling equipment for the present invention Figure.
Wherein, cabinet 1, module support deck 2, support beam 3, cooling blower 4, air intake collecting hood 5, cover plate 6, plate washer 7, collection Wind device 8, rectification module 9, cabinet bottom plate 10, stretching busbar 11, IGCT 12, blower fan travel switch 13, top board 14, radiator 15th, lower platen 16, blower fan bottom plate 17;V1-V6 is IGCT.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
By the way that three-phase alternating current is transformed into direct-current power supply nuclear power generator Exciting Windings for Transverse Differential Protection, ventilating and cooling is set the present invention It is standby to form reasonable air channel and radiated for rectification module, take away rectification module work caused by heat, the nuclear power excitation unit it is whole The fan-out capability of flow module and its ventilating and cooling equipment is 1500V/4000A.
As depicted in figs. 1 and 2, it is placed in the framework that the wide * depths of the high * of cabinet size are 1200mm*1000mm*800mm, cabinet 1 includes cabinet bottom plate 10, support beam 3.
It is divided into upper and lower two parts inside cabinet 1:Bottom is blower fan cooling air intake region, and top is thyristor rectifier module Working region.
Bottom blower fan cooling air intake region includes:Two blower fan bottom plates 17, two cooling blowers 4 and its tuyere equipments, wind Jaws equipment includes air intake collecting hood 5 and cover plate 6.
Two cooling blowers 4 are fixed on blower fan bottom plate 17, then are fixed on cabinet bottom plate 10, on each cooling blower 4 Fang Jun has an air intake collecting hood 5 and a cover plate 6, and 6 sides are provided with blower fan travel switch 13 after collecting hood, cold when fan operation Wind is blasted air intake collecting hood 5, and cover plate 6 is blown afloat, and vertical position is opened to from horizontal position, touches blower fan travel switch below 13, its action is outputed signal to control system, the feedback signal as the fan operation.Two Fans the using and the reserved.
There is one piece of baffle plate 7 between two air intake collecting hoods 5 and rectification module 9, play and form air channel, avoid the work that leaks out With.
Top rectification module working region includes:Wind collecting unit 8, rectification module 9, stretch out busbar 11.
The top of cooling blower 4 is wind collecting unit 8, it be the hardware that is linked together by the left side, top and the right with And transparent insulation plate composition above, wind collecting unit 8, dividing plate 7 form air intake passage, play collection cooling air, be rectification module 9 Aeration-cooling effect.
Rectification module 9 is located at cooling blower back upper place, is fixed on the module support deck 2 on left side and right side, then be fixed on In the support beam 3 of cabinet, rectification module 9 forms three by 14, six IGCTs 12 of top board and its radiator 15, lower platen 16 The pulse wave fully controlled bridge rectifier structure of phase six, rectifier bridge use heap formula press mounting structure, are connected by three complete pressure heaps and outer structural parts It is connected together, each pressure heap is pressed two Thyristors, and each IGCT is crimped and radiated by two radiators, is radiated Device uses sheet copper radiator, the cold wind that wind collecting unit is collected is passed through radiator, takes away heat caused by IGCT work, energy Enough ensure that rectification module radiating is uniform.
The rear of rectification module 9 is the stretching busbar 11 of all radiators, because radiator 15 crimps IGCT 12 so that Radiator is exactly the negative electrode and anode of Thyristor, and there is stretching busbar each pole of radiator, to connect busbar, is realized The electrical connection of the pulse wave fully controlled bridge rectification of three-phase six.
As shown in figure 3, specifically connecting through the heap formula press fitting of IGCT, IGCT V1 and V4 and its radiator are fitted in one Rising, IGCT V3 and V6 and its radiator are press fit together, and IGCT V5 and V2 and its radiator are press fit together, wherein, bridge Arm+A, bridge arm+B, bridge arm+C are positive arm, and bridge arm-A, bridge arm-B, bridge arm-C is to bear bridge arm, IGCT V1-V6 negative electrode and sun Extremely it is crimped together with corresponding radiator, and each radiator has stretching busbar, can be connected by these stretching busbars Connect alternating current inlet wire and direct current outlet, the composition pulsation full bridge rectifier of three-phase six.
The cooling blower 4 of two the using and the reserved is arranged on the bottom of cabinet 1, wind collecting unit 8, before transparent insulation plate, 7 groups of dividing plate Into air intake passage, cooling air is discharged into rectification module rear portion by 12 radiators again, is arranged by the top of cabinet 1 and rear portion Go out, the IGCT in rectification module is effectively cooled down, disclosure satisfy that nuclear power excitation unit fan-out capability is strong, temperature rise is low to be wanted Ask.

Claims (2)

1. a kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit, it is characterised in that including cabinet, module Supporting plate, support beam, cooling blower, air intake collecting hood, cover plate, plate washer, wind collecting unit, rectification module, cabinet bottom plate, stretching are female Row, IGCT, blower fan travel switch, top board, radiator, lower platen, blower fan bottom plate;
It is divided into upper and lower two parts inside cabinet (1):Bottom is that blower fan cools down air intake region, top is thyristor rectifier module work Make region;
Bottom blower fan cooling air intake region includes:Two blower fan bottom plates (17), two cooling blowers (4) and its tuyere equipment, wind Jaws equipment includes air intake collecting hood (5) and cover plate (6);
Two blower fan bottom plates (17) are fixed on cabinet (1), and two cooling blowers (4) are separately fixed on blower fan bottom plate (17), There are an air intake collecting hood (5) and cover plate (6) above each cooling blower (4), air intake collecting hood (5) rear is provided with blower fan Travel switch (13), when fan operation, cold wind is blasted air intake collecting hood (5), and cover plate (6) is blown afloat, and is opened from horizontal position To vertical position, blower fan travel switch below is touched, its action is outputed signal to control system, as the anti-of the fan operation Feedback signal;
There is one piece of baffle plate (7) between two air intake collecting hoods (5) and rectification module (9), play and form air channel, avoid the work that leaks out With;
Top rectification module working region includes:Wind collecting unit (8), rectification module (9), stretch out busbar (11);
Wind collecting unit (8) above cooling blower (4), it is by the left side, top, hardware that the right links together and Transparent insulation plate composition above, plays collection cooling air, is rectification module (9) aeration-cooling effect;
Rectification module (9) is located at cooling blower (4) back upper place, is fixed in left side and right module supporting plate (2), then be fixed on In the support beam (3) of cabinet (1), rectification module (9) by top board (14), six IGCTs (12) and its radiator (15), Lower platen (16) forms the pulse wave fully controlled bridge rectifier structure of three-phase six, and rectifier bridge uses heap formula press mounting structure, by three complete pressures Heap and outer structural parts link together, and each pressure heap is pressed two Thyristors, and each IGCT is by two radiatings Device is crimped and radiated, and radiator uses sheet copper radiator, the cold wind that wind collecting unit (8) is collected is passed through radiator, is taken away brilliant lock Heat caused by managing (12) work, it can ensure that rectification module (9) radiating is uniform;
The rear of rectification module (9) is the stretching busbar (11) of all radiators (15), because radiator (15) crimps IGCT (12) so that radiator (15) is exactly the negative electrode and anode of IGCT (12) element, and there is stretching each pole of radiator (15) Busbar (11), to connect busbar, realize the electrical connection of the pulse wave fully controlled bridge rectification of three-phase six.
2. the rectification module and its ventilating and cooling equipment according to claim 1 for nuclear power excitation unit, its feature exists In each radiator of rectification module (9) has stretching busbar, overlaps alternating current bus bar and the DC master row composition pulse wave of three-phase six is complete Control bridge rectifier bridge;When one Fans work, cooling air vertical direction is blasted wind collecting unit, the cooling air in wind collecting unit is horizontal again To the sheet gap by radiator, hot-air is brought to rectification module rear, top, is arranged by the shutter after cabinet top and cabinet Go out, reaching makes IGCT temperature rise is low at work, the purpose of good heat dissipation.
CN201711185725.2A 2017-11-23 2017-11-23 A kind of rectification module and its ventilating and cooling equipment for nuclear power excitation unit Pending CN107786101A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109450273A (en) * 2018-11-15 2019-03-08 北京金自天正智能控制股份有限公司 A kind of three-phase bridge silicon controlled rectifier power module
CN110854715A (en) * 2019-11-08 2020-02-28 湖南国开电气有限公司 Combined power distribution cabinet

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105305907A (en) * 2015-11-04 2016-02-03 北京金自天正智能控制股份有限公司 Novel high-power generator excitation device
US20160249492A1 (en) * 2015-02-20 2016-08-25 Honda Motor Co., Ltd. Power conversion apparatus
CN106208728A (en) * 2016-08-12 2016-12-07 中国船舶重工集团公司第七〇二研究所 A kind of air-cooled power model

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160249492A1 (en) * 2015-02-20 2016-08-25 Honda Motor Co., Ltd. Power conversion apparatus
CN105305907A (en) * 2015-11-04 2016-02-03 北京金自天正智能控制股份有限公司 Novel high-power generator excitation device
CN106208728A (en) * 2016-08-12 2016-12-07 中国船舶重工集团公司第七〇二研究所 A kind of air-cooled power model

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109450273A (en) * 2018-11-15 2019-03-08 北京金自天正智能控制股份有限公司 A kind of three-phase bridge silicon controlled rectifier power module
CN110854715A (en) * 2019-11-08 2020-02-28 湖南国开电气有限公司 Combined power distribution cabinet

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Application publication date: 20180309

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